Fix compiler cache for conda linux builds

.github/workflows/actions/linux/generateCacheKey/action.yml

@@ -28,6 +28,9 @@ inputs:
   compiler:
     description: "Binary name/path of compiler to be used"
     required: true
+  qt_major_version:
+    description: "Major version number of qt to be used"
+    required: true
 outputs:
   cacheKey:
     description: "Cache key with distro and compiler version"
@@ -39,6 +42,6 @@ runs:
     - id: generateCacheKey
       shell: bash -l {0}
       run: |
-        cacheKey=$(lsb_release -ds | tr -d ' ')-$(basename ${{ inputs.compiler }})$(${{ inputs.compiler }} -dumpfullversion -dumpversion)
+        cacheKey=$(lsb_release -ds | tr -d ' ')-$(basename ${{ inputs.compiler }})$(${{ inputs.compiler }} -dumpfullversion -dumpversion)-qt${{ inputs.qt_major_version }}
         echo "Generated cache key : $cacheKey"
         echo "cacheKey=$cacheKey" >> $GITHUB_OUTPUT

.github/workflows/sub_buildUbuntu2004.yml

@@ -152,6 +152,7 @@ jobs:
         uses: ./.github/workflows/actions/linux/generateCacheKey
         with:
           compiler: ${{ env.CXX }}
+          qt_major_version: 5
       - name: Restore Compiler Cache
         uses: actions/cache@v4
         with:

.github/workflows/sub_buildUbuntu2204Conda.yml

@@ -102,6 +102,7 @@ jobs:
         uses: ./.github/workflows/actions/linux/generateCacheKey
         with:
           compiler: ${{ env.CXX }}
+          qt_major_version: 5
       - name: Restore Compiler Cache
         uses: actions/cache@v4
         with:

.github/workflows/sub_buildUbuntu2204CondaQt6.yml

@@ -108,15 +108,16 @@ jobs:
         uses: ./.github/workflows/actions/linux/generateCacheKey
         with:
           compiler: ${{ env.CXX }}
+          qt_major_version: 6
       - name: Restore Compiler Cache
         uses: actions/cache@v4
         with:
           save-always: true
           path: ${{ env.CCACHE_DIR }}
-          key: FC-${{ steps.genCacheKey.outputs.cacheKey }}-${{ github.ref }}-${{ github.run_id }}-qt6
+          key: FC-${{ steps.genCacheKey.outputs.cacheKey }}-${{ github.ref }}-${{ github.run_id }}
           restore-keys: |
-            FC-${{ steps.genCacheKey.outputs.cacheKey }}-${{ github.ref }}-qt6-
-            FC-${{ steps.genCacheKey.outputs.cacheKey }}-qt6-
+            FC-${{ steps.genCacheKey.outputs.cacheKey }}-${{ github.ref }}-
+            FC-${{ steps.genCacheKey.outputs.cacheKey }}-
       - name: Print CCache statistics before build, reset stats and print config
         run: |
           ccache -s