Address linting issues

Signed-off-by: Eric Searcy <eric@linuxfoundation.org>

Author: emsearcy

.github/workflows/image-scan.yaml

@@ -25,7 +25,7 @@ jobs:
           go-version-file: go.mod
       - uses: ko-build/setup-ko@v0.8
       - run: |
-          ko build . --push=false --tarball ${RUNNER_TEMP}/image.tar \
+          ko build . --push=false --tarball "${RUNNER_TEMP}/image.tar" \
             --bare \
             --platform linux/arm64 \
             --sbom spdx
@@ -34,4 +34,4 @@ jobs:
           curl -sSfL https://raw.githubusercontent.com/trufflesecurity/trufflehog/main/scripts/install.sh \
             | sh -s -- -b /usr/local/bin
       - run: |
-          trufflehog --github-actions filesystem ${RUNNER_TEMP}/image.tar
+          trufflehog --github-actions filesystem "${RUNNER_TEMP}/image.tar"

README.md

@@ -2,8 +2,8 @@
 
 ## Overview
 
-This service was inspired by Auth0, through their example at
-[auth0-samples/auth0-cas-server](https://github.com/auth0-samples/auth0-cas-server).
+This service was inspired by Auth0, through their `auth0-cas-server` service
+formerly hosted at `github.com/auth0-samples/auth0-cas-server` (link now dead).
 It is a simple authentication redirector which wraps an OpenID Connect
 authentication flow to expose it as server implementing the Central
 Authentication Service (CAS) SSO protocol. The service leverages configuration