docs: update permlinks in x/foundation documents (Finschia#934)

* Update links in documentation

* Update CHANGELOG.md

(cherry picked from commit 7623acc)

CHANGELOG.md

@@ -57,3 +57,4 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (ci, build) [\#901](https://github.com/line/lbm-sdk/pull/901) Update release pipeline to match non-wasm env
 
 ### Document Updates
+* (x/foundation) [\#934](https://github.com/line/lbm-sdk/pull/934) Update permlinks in x/foundation documents

x/foundation/README.md

@@ -457,7 +457,7 @@ The messages that are part of this proposal won't be executed if:
 A censorship information is updated by using the `MsgUpdateCensorship` message.
 One cannot introduce a censorship over a new message type URL by this message.
 
-+++ https://github.com/line/lbm-sdk/blob/main/proto/lbm/foundation/v1/tx.proto#L215-L222
++++ https://github.com/line/lbm-sdk/blob/d9428ec5d825dfd9964f510e32bd03a01adade8c/proto/lbm/foundation/v1/tx.proto#L215-L222
 
 The authority of the following modules are candidates of censorship authority:
 
@@ -466,7 +466,7 @@ The authority of the following modules are candidates of censorship authority:
 
 One may specify `CENSORSHIP_AUTHORITY_UNSPECIFIED` to remove the censorship.
 
-+++ https://github.com/line/lbm-sdk/blob/main/proto/lbm/foundation/v1/tx.proto#L25-L34
++++ https://github.com/line/lbm-sdk/blob/d9428ec5d825dfd9964f510e32bd03a01adade8c/proto/lbm/foundation/v1/tx.proto#L25-L34
 
 The message handling should fail if: