fix: ensure that cache-dir exists

scan-config/action.yaml

@@ -43,6 +43,7 @@ runs:
       run: |
         set -euo pipefail
         case "$OUTPUT_FILE" in */*|".."*) echo "FAIL: output-file must be a single file name (no path separators)"; exit 1 ;; esac
+        mkdir -p "$CACHE_DIR_IN"
         scan_path=$(realpath "$SCAN_PATH_IN")
         cache_dir=$(realpath "$CACHE_DIR_IN")
         mkdir -p "$OUTPUT_DIR_IN"

scan-fs/action.yaml

@@ -43,6 +43,7 @@ runs:
       run: |
         set -euo pipefail
         case "$OUTPUT_FILE" in */*|".."*) echo "FAIL: output-file must be a single file name (no path separators)"; exit 1 ;; esac
+        mkdir -p "$CACHE_DIR_IN"
         scan_path=$(realpath "$SCAN_PATH_IN")
         cache_dir=$(realpath "$CACHE_DIR_IN")
         mkdir -p "$OUTPUT_DIR_IN"

scan-image/action.yaml

@@ -43,6 +43,7 @@ runs:
       run: |
         set -euo pipefail
         case "$OUTPUT_FILE" in */*|".."*) echo "FAIL: output-file must be a single file name (no path separators)"; exit 1 ;; esac
+        mkdir -p "$CACHE_DIR_IN"
         cache_dir=$(realpath "$CACHE_DIR_IN")
         mkdir -p "$OUTPUT_DIR_IN"
         output_dir=$(realpath "$OUTPUT_DIR_IN")

setup-db/action.yaml

@@ -27,6 +27,9 @@ runs:
       shell: bash
       run: |
         echo "current-date=$(date +%Y-%m-%d)" >> $GITHUB_OUTPUT
+    - name: Ensure Trivy cache directory exists
+      shell: bash
+      run: mkdir -p "${{ inputs.cache-dir }}"
     - id: restore-db
       uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5
       with: