Update lecture 4

Author: utkinis

slide-notebooks/deploy_notebooks.jl

@@ -1,8 +1,8 @@
 using Literate
 ## include Literate scripts starting with following 3 letters in the deploy
-incl = "l3_"
+incl = "l4_"
 ## Set `sol=true` to produce output with solutions contained and hints stripts. Otherwise the other way around.
-sol = true
+sol = false
 ##
 
 function replace_string(str)

slide-notebooks/l4_1-porous-convect.jl

@@ -311,7 +311,7 @@ This can be achieved by typing entering the Pkg mode from the Julia REPL in the
 ```julia-repl
 julia> ]
 
-(@v1.9) pkg> activate .
+(@v1.10) pkg> activate .
 
 (lectureXX) pkg> add Plots
 ```

slide-notebooks/notebooks/l4_1-porous-convect.ipynb

@@ -480,7 +480,7 @@
     "```julia-repl\n",
     "julia> ]\n",
     "\n",
-    "(@v1.9) pkg> activate .\n",
+    "(@v1.10) pkg> activate .\n",
     "\n",
     "(lectureXX) pkg> add Plots\n",
     "```\n",

website/_literate/l4_1-porous-convect_web.jl

@@ -311,7 +311,7 @@ This can be achieved by typing entering the Pkg mode from the Julia REPL in the
 ```julia-repl
 julia> ]
 
-(@v1.9) pkg> activate .
+(@v1.10) pkg> activate .
 
 (lectureXX) pkg> add Plots
 ```