Update dock check syntax issue

Author: bkhouri

.github/workflows/scripts/check-docs.sh

@@ -99,7 +99,7 @@ fi
 
 package_files=$(find . -maxdepth 1 -name 'Package*.swift')
 if [ -z "$package_files" ]; then
-  fatal "Package.swift not found. Please ensure you are running this script from the root of a Swift package."
+  fatal "Package.swift not found in \"$(pwd)\". Please ensure you are running this script from the root of a Swift package."
 fi
 
 # yq 3.1.0-3 doesn't have filter, otherwise we could replace the grep call with "filter(.identity == "swift-docc-plugin") | keys | .[]"

.github/workflows/soundness.yml

@@ -213,10 +213,10 @@ jobs:
         run: |
           analyze_arg=""
           doc_target_arg=""
-          if [[ "${DOCS_TARGETS}" != "" ]] ; then
+          if [ "${DOCS_TARGETS}" != "" ] ; then
             doc_target_arg="--doc-targets ${DOCS_TARGETS}"
           fi
-          if [[ "${DOCC_ANALYZE}" != "true" ]]; then
+          if [ "${DOCC_ANALYZE}" != "true" ]; then
             analyze_arg="--no-analyze"
           fi
           "${SCRIPT_ROOT}/.github/workflows/scripts/check-docs.sh" ${analyze_arg} ${doc_target_arg} --additional-docc-arguments ${ADDITIONAL_DOCC_ARGUMENTS}
@@ -263,10 +263,10 @@ jobs:
         run: |
           analyze_arg=""
           doc_target_arg=""
-          if [[ "${DOCS_TARGETS}" != "" ]] ; then
+          if [ "${DOCS_TARGETS}" != "" ] ; then
             doc_target_arg="--doc-targets ${DOCS_TARGETS}"
           fi
-          if [[ "${DOCC_ANALYZE}" != "true" ]]; then
+          if [ "${DOCC_ANALYZE}" != "true" ]; then
             analyze_arg="--no-analyze"
           fi
           "${SCRIPT_ROOT}/.github/workflows/scripts/check-docs.sh" ${analyze_arg} ${doc_target_arg} --additional-docc-arguments ${ADDITIONAL_DOCC_ARGUMENTS}