Update lycheeverse/lychee-action action to v2.8.0 (#2655)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yaml

@@ -19,7 +19,7 @@ jobs:
 
       - name: Check all links in *.md files
         id: lychee
-        uses: lycheeverse/lychee-action@v2.7.0
+        uses: lycheeverse/lychee-action@v2.8.0
         with:
           lycheeVersion: v0.18.1
           args: >-

.github/workflows/nightly.yaml

@@ -13,7 +13,7 @@ jobs:
 
       - name: Check all links in *.md files
         id: lychee
-        uses: lycheeverse/lychee-action@v2.7.0
+        uses: lycheeverse/lychee-action@v2.8.0
         with:
           lycheeVersion: v0.18.1
           args: >-

.github/workflows/pr.yaml

@@ -15,7 +15,7 @@ jobs:
 
       - name: Check all links in *.md files
         id: lychee
-        uses: lycheeverse/lychee-action@v2.7.0
+        uses: lycheeverse/lychee-action@v2.8.0
         with:
           lycheeVersion: v0.18.1
           args: >-