ci: upgrade docker/login-action to v3.7.0 (#305)

Update all GitHub Actions workflows to pin docker/login-action at
commit c94ce9fb468520275223c153574b00df6fe4bcc9 (v3.7.0), identified
by hash with the tag in a comment.

Signed-off-by: Mike Spreitzer <mspreitz@us.ibm.com>
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: MikeSpreitzer

.github/workflows/build-controller-image.yml

@@ -47,7 +47,7 @@ jobs:
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
       - name: Log in to Container Registry
-        uses: docker/login-action@184bdaa0721073962dff0199f1fb9940f07167d1 # v3.5
+        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3.7.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
@@ -74,7 +74,7 @@ jobs:
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
       - name: Log in to Container Registry
-        uses: docker/login-action@184bdaa0721073962dff0199f1fb9940f07167d1 # v3.5
+        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3.7.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}

.github/workflows/build-launcher-image.yml

@@ -45,7 +45,7 @@ jobs:
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
 
       - name: Log in to Container Registry
-        uses: docker/login-action@184bdaa0721073962dff0199f1fb9940f07167d1 # v3.5
+        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3.7.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}

.github/workflows/build-populator-image.yml

@@ -47,7 +47,7 @@ jobs:
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
       - name: Log in to Container Registry
-        uses: docker/login-action@184bdaa0721073962dff0199f1fb9940f07167d1 # v3.5
+        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3.7.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
@@ -74,7 +74,7 @@ jobs:
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
       - name: Log in to Container Registry
-        uses: docker/login-action@184bdaa0721073962dff0199f1fb9940f07167d1 # v3.5
+        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3.7.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}

.github/workflows/build-requester-image.yml

@@ -48,7 +48,7 @@ jobs:
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
 
       - name: Log in to Container Registry
-        uses: docker/login-action@184bdaa0721073962dff0199f1fb9940f07167d1 # v3.5
+        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3.7.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}

.github/workflows/ci-e2e-openshift.yaml

@@ -266,7 +266,7 @@ jobs:
         uses: ko-build/setup-ko@d006021bd0c28d1ce33a07e7943d48b079944c8d # v0.9
 
       - name: Log in to GHCR
-        uses: docker/login-action@184bdaa0721073962dff0199f1fb9940f07167d1 # v3.5
+        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3.7.0
         with:
           registry: ghcr.io
           username: ${{ secrets.CR_USER }}

.github/workflows/publish-release.yaml

@@ -60,7 +60,7 @@ jobs:
       # 4. Log in to GHCR
       # -----------------------------------------
       - name: Log in to GitHub Container Registry
-        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3.3.0
+        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3.7.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}