update doc links

Signed-off-by: zhangzhiqiang02 <zhangzhiqiang02@megvii.com>

PKCS11.md

@@ -1 +1 @@
-> Note of deprecation: This document has been migrated into [`sigstore/docs`](https://github.com/sigstore/docs/blob/main/content/en/cosign/pkcs11.md) as part of [documentation migration](https://github.com/sigstore/cosign/issues/822) and PR: https://github.com/sigstore/docs/pull/129. To view the live docs page, go to: https://docs.sigstore.dev/cosign/pkcs11
+> Note of deprecation: This document has been migrated into [`sigstore/docs`](https://github.com/sigstore/docs/blob/main/content/en/signing/pkcs11.md) as part of [documentation migration](https://github.com/sigstore/cosign/issues/822) and PR: https://github.com/sigstore/docs/pull/129. To view the live docs page, go to: https://docs.sigstore.dev/signing/pkcs11/

README.md

@@ -29,7 +29,7 @@ Click [here](https://join.slack.com/t/sigstore/shared_invite/zt-mhs55zh0-XmY3bcf
 
 ## Installation
 
-For Homebrew, Arch, Nix, GitHub Action, and Kubernetes installs see the [installation docs](https://docs.sigstore.dev/cosign/installation).
+For Homebrew, Arch, Nix, GitHub Action, and Kubernetes installs see the [installation docs](https://docs.sigstore.dev/system_config/installation/).
 
 For Linux and macOS binaries see the [GitHub release assets](https://github.com/sigstore/cosign/releases/latest).