docs: replace Pkg.Apps.update with Pkg.Apps.add for JETLS updates

Pkg.Apps.update("JETLS") does not always work reliably. Changed all
documentation to recommend re-running the installation command
(Pkg.Apps.add with rev="release") for updates instead.

Written by Claude

Author: aviatesk

CHANGELOG.md

@@ -131,9 +131,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
     ```
     This installs the executable to `~/.julia/bin/` (as `jetls` on Unix-like systems, `jetls.exe` on Windows).
     Make sure `~/.julia/bin` is in your `PATH`.
-  - Updating: Update JETLS to the latest version using:
+  - Updating: Update JETLS to the latest version by re-running the installation command:
     ```bash
-    julia -e 'using Pkg; Pkg.Apps.update("JETLS")'
+    julia -e 'using Pkg; Pkg.Apps.add(; url="https://github.com/aviatesk/JETLS.jl", rev="release")'
     ```
   - Launching: Language clients should launch JETLS using the `jetls` executable with appropriate options.
     See <https://aviatesk.github.io/JETLS.jl/dev/launching/> for detailed launch options.

docs/src/index.md

@@ -42,19 +42,15 @@ If this displays the help message, the installation was successful and `~/.julia
 is properly added to your `PATH`.
 
 !!! info "Updating JETLS"
-    To update JETLS to the latest version:
+    To update JETLS to the latest version, re-run the installation command:
     ```bash
-    julia -e 'using Pkg; Pkg.Apps.update("JETLS")'
+    julia -e 'using Pkg; Pkg.Apps.add(; url="https://github.com/aviatesk/JETLS.jl", rev="release")'
     ```
-    When installed with `rev="release"` (as shown above), `Pkg.Apps.update("JETLS")`
-    will fetch the most recent version since the `release` branch always
-    points to the latest release.
 
     To pin a specific version instead, use the release tag `rev="YYYY-MM-DD"`:
     ```bash
     julia -e 'using Pkg; Pkg.Apps.add(; url="https://github.com/aviatesk/JETLS.jl", rev="2025-11-25")'
     ```
-    Note that pinned versions will not be updated by `Pkg.Apps.update("JETLS")`.
 
 ## Editor setup
 

jetls-client/README.md

@@ -52,23 +52,17 @@ The extension will automatically use the `jetls` (or `jetls.exe` on Windows)
 executable from your `PATH`.
 
 > [!note]
-> To update JETLS to the latest version:
+> To update JETLS to the latest version, re-run the installation command:
 >
 > ```bash
-> julia -e 'using Pkg; Pkg.Apps.update("JETLS")'
+> julia -e 'using Pkg; Pkg.Apps.add(; url="https://github.com/aviatesk/JETLS.jl", rev="release")'
 > ```
 >
-> When installed with `rev="release"` (as shown above), `Pkg.Apps.update("JETLS")`
-> will fetch the most recent version since the `release` branch always
-> points to the latest release.
->
 > To pin a specific version instead, use the release tag `rev="YYYY-MM-DD"`:
 >
 > ```bash
 > julia -e 'using Pkg; Pkg.Apps.add(; url="https://github.com/aviatesk/JETLS.jl", rev="2025-11-25")'
 > ```
->
-> Note that pinned versions will not be updated by `Pkg.Apps.update("JETLS")`.
 
 ## Launching configuration (advanced)