Merge pull request #91207 from openshift-cherrypick-robot/cherry-pick-91117-to-rhacs-docs-4.7

[rhacs-docs-4.7] ROX-28429: Add compression layers supported in scanners

Author: kcarmichael08

modules/scanning-images.adoc

@@ -172,6 +172,29 @@ Scanner can check for vulnerabilities in dependencies for the following programm
 |===
 . Only supported in Scanner V4.
 
+[id="supported-layer-compression-formats_{context}"]
+== Supported layer compression formats
+
+Container image layers are `.tar` file archives that might be compressed or uncompressed. StackRox Scanner and Scanner V4 support different formats as shown in the following table:
+
+[cols="1,1,1",options="header"]
+|===
+| Format | Stackrox Scanner Support | Scanner V4 Support
+| No compression
+| Yes
+| Yes
+
+|bzip2 | Yes | Yes
+
+|gzip | Yes | Yes
+
+|xz | Yes | No
+
+|zstd | No | Yes
+
+|===
+
+
 [id="supported-runtimes-frameworks_{context}"]
 == Supported runtimes and frameworks