Restore coverity_tool.md5 path, just remove it after checking for cac…

…he (#160)

.github/workflows/coverity.yml

@@ -86,14 +86,17 @@ jobs:
           GITHUB_TOKEN: ${{ github.token }}
 
       - name: Download Coverity distribution md5sum for cache key
-        run: wget https://scan.coverity.com/download/linux64 --post-data "token=${{ secrets.COVERITY_TOKEN }}&project=${{ vars.COVERITY_PROJECT_URL_NAME }}&md5=1" -O ${RUNNER_TEMP}/coverity_tool.md5
+        run: wget https://scan.coverity.com/download/linux64 --post-data "token=${{ secrets.COVERITY_TOKEN }}&project=${{ vars.COVERITY_PROJECT_URL_NAME }}&md5=1" -O coverity_tool.md5
 
       - name: Cache pull Coverity distribution, extracted
         id: cache-pull-coverity-distribution
         uses: actions/cache@v4
         with:
           path: ${{ env.COVERITY }}
-          key: ${{ runner.os }}-coverity-${{ hashFiles(format('{0}/coverity_tool.md5', runner.temp)) }}
+          key: ${{ runner.os }}-coverity-${{ hashFiles('coverity_tool.md5') }}
+
+      - name: Remove coverity_tool.md5 file
+        run: rm -f coverity_tool.md5
 
       - name: Download and extract Coverity distribution if cache-miss
         if: steps.cache-pull-coverity-distribution.outputs.cache-hit != 'true'