🤖 fix: expand Makefile shellcheck exclusions

Exclude common non-repo directories like node_modules and venvs from\nSHELL_SRC_FILES to reduce noise and avoid scanning vendored scripts.

Change-Id: Iad8b1fcbe40631754709e60fa210c243e0023337
Signed-off-by: Thomas Kosiewski <tk@coder.com>

Author: ThomasK33

Makefile

@@ -293,7 +293,7 @@ lint-zizmor: ## Run zizmor security analysis on GitHub Actions workflows
 	@./scripts/zizmor.sh --min-confidence high .
 
 # Shell files to lint (excludes node_modules, build artifacts, .git)
-SHELL_SRC_FILES := $(shell find . -not \( -path '*/.git/*' -o -path './node_modules/*' -o -path './build/*' -o -path './dist/*' \) -type f -name '*.sh' 2>/dev/null)
+SHELL_SRC_FILES := $(shell find . -not \( -path '*/.git/*' -o -path '*/node_modules/*' -o -path '*/build/*' -o -path '*/dist/*' -o -path '*/.venv/*' -o -path '*/Pods/*' \) -type f -name '*.sh' 2>/dev/null)
 
 lint-shellcheck: ## Run shellcheck on shell scripts
 	shellcheck --external-sources $(SHELL_SRC_FILES)