Add OSN slides

Gemfile.lock

@@ -36,7 +36,7 @@ GEM
     commonmarker (0.23.12)
     concurrent-ruby (1.3.6)
     connection_pool (3.0.2)
-    console (1.34.3)
+    console (1.35.1)
       fiber-annotation
       fiber-local (~> 1.1)
       json
@@ -54,11 +54,11 @@ GEM
       logger
     eventmachine (1.2.7)
     execjs (2.10.1)
-    faraday (2.14.1)
+    faraday (2.14.2)
       faraday-net_http (>= 2.0, < 3.5)
       json
       logger
-    faraday-net_http (3.4.2)
+    faraday-net_http (3.4.3)
       net-http (~> 0.5)
     ffi (1.17.4-aarch64-linux-gnu)
     ffi (1.17.4-aarch64-linux-musl)
@@ -143,7 +143,7 @@ GEM
     http_parser.rb (0.8.1)
     i18n (1.14.8)
       concurrent-ruby (~> 1.0)
-    io-event (1.15.1)
+    io-event (1.16.1)
     jekyll (3.10.0)
       addressable (~> 2.4)
       colorator (~> 1.0)
@@ -320,7 +320,7 @@ GEM
     regexp_parser (2.12.0)
     rexml (3.4.4)
     rouge (3.30.0)
-    rubocop (1.86.1)
+    rubocop (1.86.2)
       json (~> 2.3)
       language_server-protocol (~> 3.17.0.2)
       lint_roller (~> 1.1.0)
@@ -365,7 +365,7 @@ GEM
     uri (1.1.1)
     webrick (1.9.2)
     yell (2.2.2)
-    zeitwerk (2.7.5)
+    zeitwerk (2.8.2)
 
 PLATFORMS
   aarch64-linux-gnu