fix: move helm versioning back in controlled source (#504)

Author: Jtango18

.github/workflows/create-versioning-pr.yaml

@@ -32,7 +32,7 @@ jobs:
     - name: setup-helm
       uses: azure/setup-helm@v4.3.0
       with:
-        version: ${{ vars.HELM_VERSION }}
+        version: v3.19.4
 
     - name: Cache .pnpm-store
       uses: actions/cache@v4

.github/workflows/kubernetes-agent-publish-chart.yaml

@@ -36,7 +36,7 @@ jobs:
     - name: Install Helm
       uses: azure/setup-helm@v4.3.0
       with:
-        version: ${{ vars.HELM_VERSION }}
+        version: v3.19.4
 
     - name: Run Helm unit tests
       run: |
@@ -72,7 +72,7 @@ jobs:
     - name: Install Helm
       uses: azure/setup-helm@v4.3.0
       with:
-        version: ${{ vars.HELM_VERSION }}
+        version: v3.19.4
 
     - name: Parse Chart config
       uses: pietrobolcato/action-read-yaml@1.1.0

.github/workflows/octopus-publish-chart.yml

@@ -35,7 +35,7 @@ jobs:
       - name: Install Helm
         uses: azure/setup-helm@v4.3.0
         with:
-          version: ${{ vars.HELM_VERSION }} 
+          version: v3.19.4 
 
       - name: Run Helm unit tests
         run: |

.github/workflows/octopus-tests.yaml

@@ -18,7 +18,7 @@ jobs:
     - name: Set up Helm
       uses: azure/setup-helm@v4.3.0
       with:
-        version: ${{ vars.HELM_VERSION }}
+        version: v3.19.4
     - name: Run Helm unit tests
       run: |
         helm plugin install https://github.com/helm-unittest/helm-unittest

charts/kubernetes-agent/package.json

@@ -5,8 +5,8 @@
   "description": "The Octopus Kubernetes Agent",
   "author": "Octopus Deploy Ptd Ltd",
   "scripts": {
-    "test": "cross-env-shell docker run -ti --rm -v $INIT_CWD:/apps helmunittest/helm-unittest:3.18.3-0.8.2 .",
-    "update-test-snapshots": "cross-env-shell docker run -ti --rm -v $INIT_CWD:/apps helmunittest/3.18.3-0.8.2 . -u",
+    "test": "cross-env-shell docker run -ti --rm -v $INIT_CWD:/apps helmunittest/helm-unittest:3.19.0-1.0.3 .",
+    "update-test-snapshots": "cross-env-shell docker run -ti --rm -v $INIT_CWD:/apps helmunittest/3.19.0-1.0.3 . -u",
     "generate-agent-docs": "docker run --rm --volume \".:/helm-docs\" jnorwood/helm-docs:latest"
   },
   "dependencies": {