Merge pull request #6340 from Roasbeef/go-1-18

build: update to Go 1.18

docs/INSTALL.md

@@ -93,23 +93,23 @@ following build dependencies are required:
 
 ### Installing Go
 
-`lnd` is written in Go, with a minimum version of 1.16. To install, run one of 
+`lnd` is written in Go, with a minimum version of 1.18. To install, run one of 
 the following commands for your OS:
 
 <details>
   <summary>Linux (x86-64)</summary>
   
   ```
-  wget https://dl.google.com/go/go1.17.1.linux-amd64.tar.gz
-  sha256sum go1.17.1.linux-amd64.tar.gz | awk -F " " '{ print $1 }'
+  wget https://dl.google.com/go/go1.18.linux-amd64.tar.gz
+  sha256sum go1.18.linux-amd64.tar.gz | awk -F " " '{ print $1 }'
   ```
 
   The final output of the command above should be
-  `dab7d9c34361dc21ec237d584590d72500652e7c909bf082758fb63064fca0ef`. If it
+  `e85278e98f57cdb150fe8409e6e5df5343ecb13cebf03a5d5ff12bd55a80264f`. If it
   isn't, then the target REPO HAS BEEN MODIFIED, and you shouldn't install
   this version of Go. If it matches, then proceed to install Go:
   ```
-  sudo tar -C /usr/local -xzf go1.17.1.linux-amd64.tar.gz
+  sudo tar -C /usr/local -xzf go1.18.linux-amd64.tar.gz
   export PATH=$PATH:/usr/local/go/bin
   ```
 </details>
@@ -118,12 +118,12 @@ the following commands for your OS:
   <summary>Linux (ARMv6)</summary>
   
   ```
-  wget https://dl.google.com/go/go1.17.1.linux-armv6l.tar.gz
-  sha256sum go1.17.1.linux-armv6l.tar.gz | awk -F " " '{ print $1 }'
+  wget https://dl.google.com/go/go1.18.linux-armv6l.tar.gz
+  sha256sum go1.18.linux-armv6l.tar.gz | awk -F " " '{ print $1 }'
   ```
 
   The final output of the command above should be
-  `ed3e4dbc9b80353f6482c441d65b51808290e94ff1d15d56da5f4a7be7353758`. If it
+  `a80fa43d1f4575fb030adbfbaa94acd860c6847820764eecb06c63b7c103612b`. If it
   isn't, then the target REPO HAS BEEN MODIFIED, and you shouldn't install
   this version of Go. If it matches, then proceed to install Go:
   ```

docs/release-notes/release-notes-0.15.0.md

@@ -170,6 +170,7 @@ then watch it on chain. Taproot script spends are also supported through the
   The `apple` task uses `gomobile` to build an `XCFramework` that can be used to
   embed lnd to both iOS and macOS apps.
 
+* [The CI and build infrastructure for the project has transitioned to using Go 1.18](https://github.com/lightningnetwork/lnd/pull/6340).
 
 ## RPC Server