Readme and release notes for new release (#949)

Co-authored-by: Tyler Ruppert <{ID}+{username}@users.noreply.github.com>

README.md

@@ -77,7 +77,7 @@ rm -r ~/.paloma/data/wasm/cache
 ### To get the latest prebuilt `palomad` binary:
 
 ```shell
-wget -O - https://github.com/palomachain/paloma/releases/download/v1.6.1/paloma_Linux_x86_64.tar.gz  | \
+wget -O - https://github.com/palomachain/paloma/releases/download/v1.7.1/paloma_Linux_x86_64.tar.gz  | \
   sudo tar -C /usr/local/bin -xvzf - palomad
 sudo chmod +x /usr/local/bin/palomad
 ```
@@ -87,7 +87,7 @@ sudo chmod +x /usr/local/bin/palomad
 ```shell
 git clone https://github.com/palomachain/paloma.git
 cd paloma
-git checkout v1.6.1
+git checkout v1.7.1
 make build
 sudo mv ./build/palomad /usr/local/bin/palomad
 ```

RELEASE_NOTES.md

@@ -0,0 +1,6 @@
+## What's Changed
+* Support jobs with MEV relay targeted deployment by @byte-bandit in https://github.com/palomachain/paloma/pull/946
+* feat: prevent pigeon liveness check for non-validators by @byte-bandit in https://github.com/palomachain/paloma/pull/947
+
+
+**Full Changelog**: https://github.com/palomachain/paloma/compare/v1.7.0...v1.7.1